It can be due to lumbar spondylosis also . So kindly get examined to see what really problem is then do treatment

First of all avoid sitting on floor/ squatting... Use hard bed for lying down Avoid lifting weights. If the pain eases off with walking or aggravates on exposure to cold we need to rule out rheumatoid arthritis...

This treatment is being suggested on bases of the information provided. However I would like to examine & investigate your grandma in detail. -Control  Hypertension, Diabetes or  metabolic disorder, if there is any. -Any way it may be tried, --. Dolokind Plus (Mankind) [Aceclofenac100 mg +Paracetamol 350 mg] 1 tab. OD & SOS. X 5 days. --. Caldikind plus  (Mankind) 1 tab OD x 10 days. -(You may need help of your local doctor to get these medicines.) --. Fomentation with warm water. Let the part not be exposed to cold. --. Sleep on a hard bed with soft bedding. --. Keep no pillow under the head. --. Avoid painful acts & activities. -- .Do mild exercises for the affected part.- back & lower limbs. --.(Take help of physiotherapist or you can visit my you tube channel Dr NC Gupta 'Yoga Simplified' &  'me and my yoga' IT IS FREE. --Do not ignore, let it not become beginning of a major problem. --Do ask for a detailed treatment plan. Kindly make sure, there is no allergy to any of these medicines. --For emergency treatment visit nearest hospital. --Wish your grandma a quick recovery & good health. --I hope, I have solved your problem to your satisfaction.  Dr N C Gupta MS (ortho) DMC 3624

Avoid sitting on ground Hot water massage Powergesic gel application

Consult me search browse on goggle practo website Dr Rajinder sharma senior Orthopaedic neurospine joint Replace surgeon ,42 years expertise chandigarh health Department Govt Multispeciality Hospital retired Chandigarh(U.T)